<template>
  <div>
    <h2>首页</h2>
    <p>{{ count }}</p>
    <button @click="changeCount(1)">+</button>
    <button @click="changeCount(-1)">-</button>
    <!-- <p>{{array}}</p>
    <button @click="deleteData">删除</button> -->
    <el-upload
      class="avatar-uploader"
      action="http://127.0.0.1:3001/file/upload"
      name="file"
     
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :before-upload="beforeAvatarUpload"
    >
      <img v-if="imageUrl" :src="imageUrl" class="avatar" />
      <i v-else class="el-icon-plus avatar-uploader-icon"></i>
    </el-upload>
  </div>
</template>

<script>
import { createNamespacedHelpers } from "vuex";
const { mapState, mapMutations } = createNamespacedHelpers("count");
const {
  mapState: mapStateRole,
  mapMutations: mapMutationsRole,
  mapActions: mapActionsRole,
} = createNamespacedHelpers("role");
export default {
  data() {
    return {
      imageUrl: "",
    };
  },
  created() {
    this.fetchDataUT();
  },
  computed: {
    ...mapState(["count"]),
    ...mapStateRole(["array"]),
  },
  methods: {
    ...mapMutations(["changecountMT"]),
    ...mapMutationsRole(["renderRoleData"]),
    ...mapActionsRole(["fetchDataUT", "deleteRoleData"]),
    changeCount(val) {
      this.changecountMT(val);
    },

    deleteData() {
      this.deleteRoleData("63bbaee5597cec08b02b6937");

      // if (res.meta.status==200) {
      //   console.log(123);
      //   this.fetchData()
      // }
    },
    handleAvatarSuccess(res, file) {
      this.imageUrl = URL.createObjectURL(file.raw);
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
  },
};
</script>

<style scoped>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>